(CNN) — Whop, whop, whop. The thump of the rotors fades as the helicopter lifts away. Silence, just for a moment -- a chance to drink in the pristine peaks. Then the rush of excited chatter as skis or snowboard are clicked on and the group turns to listen to the guide.
Hearts beat faster, like the noise of the aircraft that brought you here. Now it's time to plunge into paradise ...
Heli-skiing is the ultimate challenge for the powder-hungry skier or boarder in the never-ending quest to carve tracks in soft snow. Leaving the lifts and crowds far behind, it takes winter sports to a higher plane.
Like all travel luxuries, it doesn't come cheap -- and bad-weather days are an occupational hazard. But if powder is the priority, there's a heli adventure out there for everyone from decent intermediates to movie-making hotshots.
Veteran ski-film maker Warren Miller says: "If you don't go this year, you will be one year older when you do."
In no particular order, these are 12 of the world's best heli-ski spots:
1. Alaska -- Chugach Range
Why: The authentic Alaska experience, and the setting for so many extreme ski movies. Big mountains, big lines, steep and deep.
The Chugach Mountains surrounding Valdez receive an annual average of nearly 700 inches (17.7 meters) of snow. Being near the coast means the snow is moist and therefore provides more stability for skiers on steep slopes.
Valdez Heli-Ski Guides specialize in big mountains and small groups, with four guests per ship accessing Alaska's famed spines and iconic terrain. Its benchmark Eurocopter A-Star B2 helicopter delivers passengers atop leg-jellying runs averaging 3,000 to 5,000 vertical feet (914 to 1,524 meters).
Afterward, the Tsaina Lodge offers gourmet dining with views over Washington Glacier. Three-day packages start at $4,744; seven days at $11,076.
Who: Big-name extreme skier Dean Cummings' H20 Guides are also based in Valdez, while Chugach Powder Guides operate out of Girdwood in the western Chugach.
2. Alaska -- Tordrillo
Skiers cheer a flyover from the hot tub at the Tordrillo Mountain Lodge Après-ski.
Courtesy of Tordrillo Mountain Lodge
Why: Epic terrain, Denali views, stable weather, wilderness lodge
From Anchorage, a short float-plane hop to Judd Lake reaches Tordrillo Mountain Lodge, a luxury retreat featuring two separate wilderness lodges, co-owned by 1994 Olympic downhill skiing champion Tommy Moe.
Tommy's taxis fly people into 1.2 million acres of heli heaven in the shadow of North America's highest peak, Denali (Mount McKinley), at 20,310 feet.
The heavily glaciated Alaska Range is on a grand scale and offers endless terrain options to keep skiers challenged, with runs that top out at 7,500 feet and more stable weather than other Alaskan spots.
3. British Columbia -- Bella Coola
Adventurous skiers experiencing some of the 73,333 acres per person of powder on offer via Bella Coola Heli Sports.
Courtesy of Eric Berger
Why: Fluffy snow, spiritual setting, heli holy land
This place is home to the First Nation community of Nuxalk people in the Coast Range of British Columbia, and is a gateway to nirvana for skiers and boarders.
Bella Coola Heli Sports, two time winner of the "Worlds Best Heli-Ski Operation" at the World Ski Awards, has access to a blade-busting 2.64 million acres of prime Pacific powder -- light and dry in the mellower east, more stable for steep skiing in the west. That's 325 times the size of Whistler-Blackcomb, 90 times the size of France's vast 3 Vallees and, heck, bigger than the Swiss Alps.
There's so much terrain -- 73,333 acres per person -- powder 11s, not powder 8s, are the order of the day. (In the summer there's heli-fishing.)
Who: Bella Coola Heli Sports' Classic Vertical package offers seven nights and eight possible ski days -- guests can heli-ski straight from the airport on arrival and departure days -- with 100,000 vertical feet of skiing -- from $11,280, including return flights from Vancouver to Bella Coola.
A few resorts in the U.S. and Canada are now offering extreme ski trips where a helicopter ride takes you away from the crowds and straight to fresh snow.
4. British Columbia -- Revelstoke
Bighorn Lodge is not only gorgeous, but it also comes with its own helipad.
Courtesy of Bighorn
Why: The epicenter of BC backcountry.
What happens when moist Pacific air meets cold, dry air from the Rockies? "Revy" cops the mother lode, that's what -- 40 to 60 feet a year of powder so light and fluffy it could be used to stuff a comforter.
If that isn't enough, there's Bighorn Lodge. This ultra-luxe alpine-style chalet for 16 overlooking the Columbia River at the foot of Revelstoke Mountain Resort has its own helipad out front.
They'll need pockets as deep as the snow, but floating down open bowls gulping in white champagne, or whooping and hollering through old growth forests with just three pals and a guide is priceless.
Who: Bighorn costs about $7,5360 for the lodge in a high-season week, excluding heli-skiing. Six days private use of B2 A-Star helicopter is about $6,7824 (skiing in 1-3 groups of up to 4 guests per group).
5. British Columbia -- Mica
Why: Powder of the finest kind + a tree-skier's paradise far from the crowds = Mica magic.
Two hours north of Revelstoke, Mica Heli Sports mines a 500-square-mile claim at the convergence of the Rocky, Selkirk and Monashee mountain ranges. Accessible only by chopper, Mica Lodge is an elegant stay located high above the Columbia River, with access to 11 valleys with a variety of terrain, from steep alpine lines in Tsar Creek to the forests of Molson and Kinbasket Valleys.
Memories of runs with names such as Pillow Talk, Mr. Wiggles, Melt Down, High Sweetness and Saddle Soar will sustain skiers for at least a couple of months back at their desks.
Canadian Mountain Holidays, which pioneered BC heli-skiing when Austrian expat Hans Gmoser set up the outfit in 1965, operate their Monashees base a short hop away.
6. British Columbia -- Bell 2 Lodge
Heli-skiing on the Skeena Mountains in British Columbia, bordering Alaska, will satisfy most thrill seekers.
Courtesy of Dave Silver
Why: World's largest heli-ski area, huge dumps, wild terrain
Among the steep peaks and deep stashes of remote northern British Columbia lies a remote heli-ski lodge which accesses the most extensive heli-ski terrain on the planet. Bell 2 Lodge sits in the Skeena Mountains 220 miles northwest of Smithers and is the base for Last Frontier Heliskiing, which was established in 1996.
The vast area offers everything from high alpine faces to wide open bowls to epic tree skiing in small groups of up to four. For those looking for even more adventure, Last Frontier Heli also operates a second base, Ripley Creek. It's based in Stewart, a mining town on the border with Alaska at the southwestern edge of its tenure.
Here are four underrated ski resorts where fewer crowds means more space to ski, snowboard and speed your way through stellar powder.
7. Switzerland -- Zermatt
Experiencing first tracks near the summit of western Europe's second highest mountain, the Monte Rosa (15,200 feet) is a sublime feeling.
Courtesy of Michael Portmann
Why: Big descents amid alpine giants, majestic Matterhorn views, rich mountain culture. Heli-skiing in Europe is a slightly different game, more limited by where you can drop than by snow conditions.
Air Zermatt lifts passengers above the roofs of the picturesque old town for a quick buzz of the Matterhorn before settling the skids near the summit of western Europe's second highest mountain, the Monte Rosa (15,200 feet).
Surrounded by other 13,000-foot giants such as the Lyskamm and Breithorn, the vast Gorner Glacier stretches out below 8,200 feet of slopes -- via a pit stop at the glimmering aluminum Monte Rosa hut at 9,458 feet.
Other favorite drops are on the Alphubel, the Aeschhorn in the shadow of the mighty Weisshorn or the Testa Grigia on the border with Italy.
Or the chopper can be used as an aerial elevator up the big slogs of the famous Haute Route from Zermatt-Chamonix, saving legs for the many stunning descents.
Who: Air Zermatt charges $415 per person for a drop on Monte Rosa, including the guide's fee. A drop at Alphubel is $395 and at Aeschhorn for $385. James Orr Heliski offers trips out of the unspoiled Italian village of Alagna, accessing nearly 30 drop sites on the Italian and Swiss sides of Monte Rosa.
8. Japan -- Hokkaido
Hokkaido receives up to 60 feet of snow annually -- the perfect recipe for skiing through birch trees.
Courtesy of Alister Buckingham Photography
Why: So Instagrammable. Let's say it with hashtags: #deep #snowfactory #bringyoursnorkel #sushi #sake
Like floating through cold smoke, skiing in Japan is a revelation on and off the hill. It might be called the Land of the Rising Sun, but in winter Siberian storms dump industrial quantities of snow -- the northern island of Hokkaido receives up to 60 feet of snow annually.
A helicopter just increases the options -- skiing on dormant volcanoes and through perfectly spaced birch trees in powder so deep that a snorkel would come in handy. Niseko resort is big into night skiing. Or visitors can relax in an onsen (hot springs) and contemplate life, powder and sushi.
9. New Zealand -- Southern Alps
Southern Lakes Heli-Ski in New Zealand offers access to 3,200 square miles of skiing across 17 different mountain ranges, including the Clark Glacier.
Courtesy of Southern Lakes Heliski
Why: For northern hemisphere dwellers seeking an endless winter, and southerners with a sense of adventure.
Southern Lakes Heli-Ski operates out of Queenstown and Wanaka from July to September, with access to 3,200 square miles across 11 different mountain ranges, including the Clark Glacier. Most terrain lies between 3,937 and 8,480 feet, with a typical run from 1,968 to 3,280 feet vertical.
Single-day trips are more the norm in New Zealand but there is something for everyone -- from three-run intro trips to the full luxury lodge experience, staying at the Minaret Station Alpine Lodge wilderness retreat. Who: Southern Lakes Heli-Ski's four-run classic trip costs $760, with extra runs at $80. A three-day unlimited private package starts at $10,500.
10. India -- Himachal Pradesh
Hitting the Himalayan slopes just an hour north of Delhi should be a part of any skier's trip to India.
Courtesy of Elemental Adventure
Why: Heli fun on a Himalayan scale, with a vibrant valley for downtime. An hour's flight north of Delhi lies the hill station of Manali, known as the Valley of the Gods. Then it's up to 16,400 feet for lung-bursting descents among Himalayan giants.
The Himachal Pradesh region has everything on the heli hit list, from skiing steep summits to racing down ridges, and plunging into birch, oak and cedar forests. The action will, literally, take any skier's breath away, if the vast views of nearby 21,325 foot peaks haven't already. Off the hill, the exotic Kullu Valley and its stimulating culture excite the senses as much as the skiing.
Who: Elemental Adventure's Himalayan Odyssey package offers six days' heli-skiing including transfers from Delhi and 100,000 vertical feet from $7,607.
11. Russia -- Kamchatka
Ski UNESCO World Heritage back-country with Elemental Adventures heli packages in Russia.
Courtesy of Ludmila Figura
Why: Untamed, raw, wild and like nowhere you've skied before.
Burning thigh muscles might not be the only thing on fire in this remote wilderness. The vast Kamchatka Peninsula in the far east of Russia between the Sea of Okhotsk and the Bering Sea is home to 200 volcanoes -- 29 of which are active. But geomorphology isn't why people come here.
It's to ride big Russian choppers up smoking summits and hurtle down volcanic faces, couloirs, open bowls and tree runs until they end up on the beach. The capital, Petropavlovsk, is the base, but the UNESCO World Heritage back-country is the playground. With a highest landing zone at 11,388 feet, some descents can nudge 9,840 feet.
Who: EA Heli-skiing offers a seven-night Fire and Ice package with eight hours of flying time for $7,625.
12. Luxury yacht -- anywhere
Why: Why not?
If an off-the-peg heli-skiing trip is too mundane, luxury yacht owners can simply sail within touching distance of mountains and jump on a helicopter from their deck each morning. The beauty is they can keep moving, sniffing out new spots.
Skippers can deliver the yacht to the inland waterways of Alaska, British Columbia, Chile, Greenland, Iceland, wherever. Then it's just a matter of flying into the ultimate ski run.
Don't have a yacht but like the idea? That can be arranged. But anyone who has to ask how much it costs probably can't afford it.
Yachting into the mountains for the ultimate ski run is a truly priceless experience.
Courtesy of Elemental Adventure